The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 06, 2016

Filed:

Dec. 01, 2014
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Akihiro Matsushita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/042 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0428 (2013.01);
Abstract

A coordinate input apparatus which detects a position pointed in a region surrounded by at least four sensor units, based on detection outputs from two sensor units corresponding to the pointed position out of the at least four sensor units stores, in a memory unit, correction values which are based on respective detection outputs of a plurality of combinations each of two sensor units out of the at least four sensor units for one position corresponding to the plurality of combinations, and calculates the pointed position based on the detection outputs from two sensor units corresponding to the pointed position, and the correction values stored in the memory unit.


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